#1D3674#1D3674

#1D3674 is a dark, moderate blue. Relative luminance 0.042; OKLCH L 35.1% C 0.111 H 264.7°. Best body text is #FFFFFF at 11.46:1 contrast (WCAG AA passes).

Color values

HEX	#1D3674
RGB	rgb(29, 54, 116)
HSL	hsl(223, 60%, 28%)
HSV	hsv(223, 75%, 45%)
CMYK	cmyk(75%, 53.4%, 0%, 54.5%)
CIE-LAB	lab(24.19, 13.81, -38.52)
CIE-LCH	lch(24.19, 40.92, 289.73°)
OKLab	oklab(35.14% -0.0102 -0.1107)
OKLCH	oklch(35.14% 0.111 264.7)
XYZ	xyz(4.9771, 4.1600, 17.0603)
Luminance	0.0416 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3674 #745B1D

analogous

#1D6174 #1D3674 #2F1D74

triadic

#1D3674 #741D36 #36741D

tetradic

#1D3674 #741D61 #745B1D #1D742F

square

#1D3674 #741D61 #745B1D #1D742F

split-complementary

#1D3674 #742F1D #61741D

monochromatic

#060B18 #111F43 #1D3674 #294DA5 #3D67CE

Accessibility & contrast

On white

11.46

#1D3674 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#1D3674 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3674

11.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3674	#FFFFFF	#000000	##FFFFFF
##1D3674	1.00	11.46	1.83	11.46
#FFFFFF	11.46	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F3E76

Deuteranopia (green-blind)

#003673

Tritanopia (blue-blind)

#00454F

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1d3674;
/* rgb */ color: rgb(29, 54, 116);
/* oklch */ color: oklch(35.1% 0.111 264.7);

Tailwind

colors: {
  custom: {
    50: '#666c9c',
    500: '#1d3674',
    950: '#000000',
  },
}

SCSS

$custom: #1d3674;
$custom-light: #666c9c;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3674",
  "rgb": {
    "r": 29,
    "g": 54,
    "b": 116
  },
  "hsl": {
    "h": 222.759,
    "s": 60,
    "l": 28.431
  },
  "oklch": {
    "l": 0.35138,
    "c": 0.1112,
    "h": 264.7
  },
  "luminance": 0.0416
}

Semantic roles & 50–950 ramp

primary

#1D3674

secondary

#A88C45

accent

#B645E3

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #1D3674

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →